Re: [patch 00/12] hrtimers: Prevent hrtimer interrupt starvation

Calvin Owens
2026-04-07T18:35:37Z

On Tuesday 04/07 at 20:03 +0200, Thomas Gleixner wrote:
> On Tue, Apr 07 2026 at 10:38, Calvin Owens wrote:
> > On Tuesday 04/07 at 10:54 +0200, Thomas Gleixner wrote:
> >> He provided a reproducer, which sets up a timerfd based timer and then
> >> rearms it in a loop with an absolute expiry time of 1ns.
> >
> > The original AMD machines survive the reproducer with this series.
> >
> > Tested-by: Calvin Owens <calvin@wbinvd.org>
> >
> > I'm happy to test subsets of it and stable backports too, if that's
> > helpful, just let me know.
>
> We'll only backport the first patch, so confirming that it still
> prevents the issue would be nice. The rest is slated for upstream only.

Confirmed, [1/12] alone passes.

Thanks,
Calvin